Crushing device for boiler slag recovery

Abstract

The invention discloses a crushing device for boiler slag recovery, which comprises a support, a feeding mechanism and a crushing and grinding mechanism, the crushing and grinding mechanism comprises a grinding cylinder and a matching cylinder, the matching cylinder is movably connected with the grinding cylinder, and a plurality of groups of first screens with different mesh numbers are arranged in the grinding cylinder; a second screen is arranged in the matching cylinder, and the second screen is movably connected with the first screen; belongs to the technical field of boiler slag recovery, due to the fact that a matching barrel is movably connected with a grinding barrel, a plurality of sets of first screens with different mesh numbers are arranged in the grinding barrel, a second screen is arranged in the matching barrel, and the second screen is movably connected with the first screens, before slag grinding, the first screens are separated from the matching barrel, and the second screens are separated from the matching barrel. The overlapping position of the second screen mesh and the first screen mesh can be changed by rotating the matching cylinder, so that effective screening holes formed by the first screen mesh and the second screen mesh can be configured according to the requirements of a user, and various choices can be provided for screening of the slag.

Description

Technical Field

[0001] The invention belongs to the technical field of boiler slag recovery, and in particular relates to a pulverizing device for boiler slag recovery. Background Art

[0002] Boiler slag is a solid waste generated during the combustion process of coal-fired boilers, oil-fired boilers or other fuel boilers. The components of boiler slag usually include inorganic mineral substances (such as silicon, aluminum, iron, calcium, magnesium, potassium, sodium and other elements and their compounds, incompletely burned organic matter (although most of the fuel burned in the boiler will be completely burned, there may still be a small amount of incompletely burned organic matter, moisture (since the slag is not completely dehydrated during the combustion process, part of the slag may contain moisture) and sulfur and nitrogen compounds in the slag (usually derived from sulfur and nitrogen in coal or other fuels, which may form sulfates, sulfides, nitrides, etc.).

[0003] In the prior art, slag is generally removed regularly by mechanical means, and sometimes collected after water cooling. In the daily operation of the boiler, slag is usually collected by ash hoppers, ash slag systems and other devices.

[0004] Slag treatment method:

[0005] Stacking and landfilling: Some boiler slag is simply stacked or landfilled, but this method is not environmentally friendly.

[0006] Recycling: Modern technology often further processes slag to extract useful mineral components such as calcium, magnesium, silicon, etc., and can even be used in the manufacture of building materials such as cement production.

[0007] Environmental impact and treatment: If boiler slag is not treated, it may cause environmental pollution, especially when the slag contains a high proportion of heavy metals or harmful substances. Therefore, many countries and regions require environmentally friendly treatment and recycling of slag to reduce pollution to soil and water sources.

[0008] However, it is difficult to independently select and collect the mesh size and specifications of slag during cleaning and recycling in the prior art, which results in slag with recycling efficiency being easily wasted or the economic benefits being reduced. There is room for improvement. Summary of the invention

[0009] In order to overcome the above defects, the present invention provides a pulverizing device for boiler slag recovery to solve the problems raised in the above background technology.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pulverizing device for boiler slag recovery, comprising a bracket, a feeding mechanism and a pulverizing and grinding mechanism, the pulverizing and grinding mechanism comprising a grinding cylinder and a matching cylinder, the matching cylinder is movably connected to the grinding cylinder, the interior of the grinding cylinder is provided with a plurality of groups of first screens with different mesh sizes, the interior of the matching cylinder is provided with a second screen, the second screen is movably connected to the first screen; a dividing mechanism is arranged inside the pulverizing and grinding mechanism, the dividing mechanism comprises a dividing shaft, an extension shaft and a C-type friction cylinder, the feeding mechanism comprises and, one end of the said is connected with, the other end of the said is connected with the dividing shaft after passing through the pulverizing and grinding mechanism, an open cavity is arranged on the outer side of the dividing shaft, one end of the said extension shaft is fixedly connected with the dividing shaft, the other end of the said extension shaft is fixedly connected with the C-type friction cylinder, and the internal hoop of the C-type friction cylinder is connected with a friction roller.

[0011] As a further solution of the present invention: a pulverizing device for recovering boiler slag, a servo motor is fixedly mounted on one side of the bracket, and the output end of the servo motor passes through the bracket and is fixedly connected to the material distribution shaft.

[0012] As a further solution of the present invention: a pulverizing device for recovering boiler slag, both sides of the grinding cylinder are movably connected with sealing disks, the interior of the sealing disk is fixedly connected with a blocking cylinder, and the material distribution shaft is adapted to the blocking cylinder.

[0013] As a further solution of the present invention: a pulverizing device for recovering boiler slag also includes a collecting box, which is arranged at the bottom of the bracket and is used to contain materials output by the pulverizing and grinding mechanism.

[0014] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the grinding cylinder is provided with a slot inside, the sealing disk is fixedly connected with an insert ring inside, and the insert ring is adapted to the slot.

[0015] As a further solution of the present invention: a pulverizing device for recovering boiler slag, wherein a magnetic plate is movably connected inside the collecting box, a magnet is fixedly connected to the outside of the magnetic plate, and the magnetic plate is magnetically connected to the collecting box via the magnet.

[0016] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the pulverizing device has a large and small mouth structure, and the distal end is larger than the proximal end.

[0017] As a further solution of the present invention: a crushing device for recovering boiler slag, the bracket is a structure for spatially supporting a feeding mechanism and a crushing and grinding mechanism, one side of the bracket is supported by the crushing and grinding mechanism, and the other side of the bracket is supported by the feeding mechanism.

[0018] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the extension shaft comprises a spring and a spring rod, and the spring and the spring rod are glued together.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. Since the matching cylinder is movably connected to the grinding cylinder, a plurality of first screens with different mesh sizes are provided inside the grinding cylinder, and a second screen is provided inside the matching cylinder. The second screen is movably connected to the first screen. Therefore, before grinding the slag, the overlapping position of the second screen and the first screen can be changed by rotating the matching cylinder, so that the effective screening holes composed of the first screen and the second screen can be configured according to the requirements of the user, thereby providing a variety of options for screening the slag.

[0021] 2. Since a dividing mechanism is arranged inside the crushing and grinding mechanism, the dividing mechanism includes a dividing shaft, an extension shaft and a C-type friction cylinder, the feeding mechanism includes and , one end of which is connected with , and the other end of which is connected with the dividing shaft after passing through the crushing and grinding mechanism, an open cavity is provided on the outer side of the dividing shaft, one end of the extension shaft is fixedly connected with the dividing shaft, and the other end of the extension shaft is fixedly connected with the C-type friction cylinder, and a friction roller is hooped inside the C-type friction cylinder. After the slag is input into the dividing shaft, the slag will be thrown out from the open cavity due to the rotation of the dividing shaft due to the centrifugal force, and will be ground in the friction roller and in the gap between the friction roller and the C-type friction cylinder at the same time, so the grinding effect is good and the grinding efficiency is high.

[0022] 3. Since the collecting box is arranged at the bottom of the bracket and is used to hold the materials output by the crushing and grinding mechanism, and the collecting box is movably connected to a magnetic plate inside, and a magnet is fixedly connected to the outer side of the magnetic plate, and the magnetic plate is magnetically connected to the collecting box through the magnet, the number of magnetic plates can be freely configured to adapt to the discharge requirements of the slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the schematic diagrams of the overall structure of a pulverizing device for recovering boiler slag according to the present invention;

[0024] Figure 2 This is a second schematic diagram of the overall structure of a pulverizing device for recovering boiler slag according to the present invention;

[0025] Figure 3 It is a structural schematic diagram of a material dividing mechanism in a pulverizing device for recovering boiler slag according to the present invention;

[0026] Figure 4 It is a schematic diagram of the disassembled structure of a crushing and grinding mechanism in a crushing device for recovering boiler slag according to the present invention;

[0027] In the figure: 1. bracket; 2. feeding mechanism; 3. crushing and grinding mechanism; 31. grinding cylinder; 32. matching cylinder; 33. first screen; 34. second screen; 35. blocking disk; 36. slot; 37. insert ring; 4. collecting box; 5. magnetic plate; 6. servo motor; 7. material distribution mechanism; 71. blocking cylinder; 72. material distribution shaft; 73. opening cavity; 74. extension shaft; 75. C-type friction cylinder; 76. friction roller. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0030] As shown in the accompanying drawings, the present invention provides a technical solution: a pulverizing device for recycling boiler slag, comprising a bracket 1, a feeding mechanism 2 and a pulverizing and grinding mechanism 3, wherein the pulverizing and grinding mechanism 3 comprises a grinding cylinder 31 and a matching cylinder 32, wherein the matching cylinder 32 is movably connected to the grinding cylinder 31, wherein a plurality of first screens 33 with different mesh sizes are provided inside the grinding cylinder 31, wherein a second screen 34 is provided inside the matching cylinder 32, wherein the second screen 34 is movably connected to the first screen 33; wherein the pulverizing and grinding mechanism 3 is provided with a plurality of first screens 33 with different mesh sizes; wherein the first screen 34 is movably connected to the first screen 33; wherein the first screen 33 is provided with a plurality of first screens 33 with different mesh sizes ... There is a material distribution mechanism 7, which includes a material distribution shaft 72, an extension shaft 74 and a C-type friction cylinder 75. The feeding mechanism 2 includes 21 and 22. One end of 21 is connected with 22, and the other end of 21 is connected with the material distribution shaft 72 after passing through the crushing and grinding mechanism 3. An opening 73 is provided on the outer side of the material distribution shaft 72. One end of the extension shaft 74 is fixedly connected with the material distribution shaft 72, and the other end of the extension shaft 74 is fixedly connected with the C-type friction cylinder 75. The internal hoop of the C-type friction cylinder 75 is connected with a friction roller 76.

[0031] Since the matching cylinder 32 is movably connected to the grinding cylinder 31, a plurality of first screens 33 with different mesh sizes are provided inside the grinding cylinder 31, and a second screen 34 is provided inside the matching cylinder 32. The second screen 34 is movably connected to the first screen 33. Therefore, before the slag is ground, the overlapping position of the second screen 34 and the first screen 33 can be changed by rotating the matching cylinder 32, so that the effective screening holes formed by the first screen 33 and the second screen 34 can be configured according to the user's requirements, thereby providing a variety of options for slag screening.

[0032] Since a feeding mechanism 7 is provided inside the crushing and grinding mechanism 3, the feeding mechanism 7 includes a feeding shaft 72, an extension shaft 74 and a C-type friction cylinder 75, the feeding mechanism 2 includes 21 and 22, one end of the 21 is connected with 22, and the other end of the 21 is connected with the feeding shaft 72 after passing through the crushing and grinding mechanism 3, an opening 73 is provided on the outer side of the feeding shaft 72, one end of the extension shaft 74 is fixedly connected with the feeding shaft 72, and the other end of the extension shaft 74 is fixedly connected with the C-type friction cylinder 75, and a friction roller 76 is hooped inside the C-type friction cylinder 75. After slag is input into the feeding shaft 72 by 21, as the feeding shaft 72 rotates, the slag will be thrown out from the opening 73 due to the action of centrifugal force, and at the same time, it will be ground in the friction roller 76 and in the gap between the friction roller 76 and the C-type friction cylinder 75, so the grinding effect is good and the grinding efficiency is high.

[0033] As a further solution of the present invention: a pulverizing device for recovering boiler slag, a servo motor 6 is fixedly mounted on one side of the bracket 1, and an output end of the servo motor 6 passes through the bracket 1 and is fixedly connected to a material distribution shaft 72.

[0034] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the two sides of the grinding cylinder 31 are movably connected with sealing disks 35, the interior of the sealing disk 35 is fixedly connected with a blocking cylinder 71, and the material distribution shaft 72 is adapted to the blocking cylinder 71.

[0035] As a further solution of the present invention: a pulverizing device for recovering boiler slag also includes a collecting box 4, which is arranged at the bottom of the bracket 1 and is used to contain the materials output by the pulverizing and grinding mechanism 3.

[0036] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the grinding cylinder 31 is provided with a slot 36 inside, the sealing disk 35 is fixedly connected with an insert ring 37 inside, and the insert ring 37 is adapted to the slot 36.

[0037] As a further solution of the present invention: a crushing device for recovering boiler slag, the interior of the collecting box 4 is movably connected with a magnetic attraction plate 5, the outer side of the magnetic attraction plate 5 is fixedly connected with a magnet, and the magnetic attraction plate 5 is magnetically connected to the collecting box 4 through the magnet.

[0038] Since the collecting box 4 is arranged at the bottom of the bracket 1 and is used to hold the materials output by the crushing and grinding mechanism 3, and the collecting box 4 is movably connected to a magnetic plate 5 inside, and a magnet is fixedly connected to the outer side of the magnetic plate 5, and the magnetic plate 5 is magnetically connected to the collecting box 4 through the magnet, the number of magnetic plates 5 can be freely configured to adapt to the discharge requirements of the slag.

[0039] As a further solution of the present invention: a pulverizing device for recovering boiler slag, wherein the 22 is a large-small-mouth structure, and the end of the 22 away from the 21 is larger than the end of the 22 close to the 21 .

[0040] As a further solution of the present invention: a crushing device for recovering boiler slag, the bracket 1 is a structure for spatially supporting a feeding mechanism 2 and a crushing and grinding mechanism 3, one side of the bracket 1 is supported by the crushing and grinding mechanism 3, and the other side of the bracket 1 is supported by the feeding mechanism 2.

[0041] As a further solution of the present invention: a pulverizing device for recovering boiler slag, the extension shaft 74 includes a spring and a spring rod, and the spring and the spring rod are glued together.

[0042] The working principle of the present invention is as follows: since the matching cylinder 32 is movably connected to the grinding cylinder 31, a plurality of first screens 33 with different mesh sizes are provided inside the grinding cylinder 31, and a second screen 34 is provided inside the matching cylinder 32. The second screen 34 is movably connected to the first screen 33. Therefore, before the slag is ground, the overlapping position of the second screen 34 and the first screen 33 can be changed by rotating the matching cylinder 32, so that the effective screening holes formed by the first screen 33 and the second screen 34 can be configured according to the user's requirements, thereby providing a variety of options for the screening of the slag.

[0043] Since a feeding mechanism 7 is provided inside the crushing and grinding mechanism 3, the feeding mechanism 7 includes a feeding shaft 72, an extension shaft 74 and a C-type friction cylinder 75, the feeding mechanism 2 includes 21 and 22, one end of the 21 is connected with 22, and the other end of the 21 is connected with the feeding shaft 72 after passing through the crushing and grinding mechanism 3, an opening 73 is provided on the outer side of the feeding shaft 72, one end of the extension shaft 74 is fixedly connected with the feeding shaft 72, and the other end of the extension shaft 74 is fixedly connected with the C-type friction cylinder 75, and a friction roller 76 is hooped inside the C-type friction cylinder 75. After slag is input into the feeding shaft 72 by 21, as the feeding shaft 72 rotates, the slag will be thrown out from the opening 73 due to the action of centrifugal force, and at the same time, it will be ground in the friction roller 76 and in the gap between the friction roller 76 and the C-type friction cylinder 75, so the grinding effect is good and the grinding efficiency is high.

[0044] Since the collecting box 4 is arranged at the bottom of the bracket 1 and is used to hold the materials output by the crushing and grinding mechanism 3, and the collecting box 4 is movably connected to a magnetic plate 5 inside, and a magnet is fixedly connected to the outer side of the magnetic plate 5, and the magnetic plate 5 is magnetically connected to the collecting box 4 through the magnet, the number of magnetic plates 5 can be freely configured to adapt to the discharge requirements of the slag.

[0045] What has been described above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, can make equivalent replacements or changes based on the technical scheme and inventive concept of the present invention, which should be covered within the protection scope of the present invention. Various changes can also be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A pulverizing device for recovering boiler slag, characterized in that: The invention comprises a support (1), a feeding mechanism (2) and a crushing and grinding mechanism (3), wherein the crushing and grinding mechanism (3) comprises a grinding cylinder (31) and a matching cylinder (32), wherein the matching cylinder (32) is movably connected to the grinding cylinder (31), wherein a plurality of groups of first screens (33) with different mesh sizes are provided inside the grinding cylinder (31), wherein a second screen (34) is provided inside the matching cylinder (32), and wherein the second screen (34) is movably connected to the first screen (33); A material distribution mechanism (7) is arranged inside the crushing and grinding mechanism (3), and the material distribution mechanism (7) includes a material distribution shaft (72), an extension shaft (74) and a C-type friction cylinder (75). The feeding mechanism (2) includes (21) and (22), one end of the (21) is connected to (22), and the other end of the (21) is connected to the material distribution shaft (72) after passing through the crushing and grinding mechanism (3). An opening (73) is provided on the outer side of the material distribution shaft (72), one end of the extension shaft (74) is fixedly connected to the material distribution shaft (72), and the other end of the extension shaft (74) is fixedly connected to the C-type friction cylinder (75), and a friction roller (76) is hooped inside the C-type friction cylinder (75).

2. A pulverizing device for recovering boiler slag according to claim 1, characterized in that: A servo motor (6) is fixedly mounted on one side of the bracket (1), and the output end of the servo motor (6) passes through the bracket (1) and is fixedly connected to the material distribution shaft (72).

3. A pulverizing device for recovering boiler slag according to claim 2, characterized in that: Both sides of the grinding cylinder (31) are movably connected with a blocking disk (35), the interior of the blocking disk (35) is fixedly connected with a blocking cylinder (71), and the material distribution shaft (72) is adapted to the blocking cylinder (71).

4. A pulverizing device for recovering boiler slag according to claim 3, characterized in that: It also comprises a collecting box (4), which is arranged at the bottom of the bracket (1) and is used to contain the materials output by the crushing and grinding mechanism (3).

5. A pulverizing device for recovering boiler slag according to claim 4, characterized in that: The grinding cylinder (31) is provided with a slot (36) inside, and the sealing disk (35) is fixedly connected with an insert ring (37) inside, and the insert ring (37) is adapted to the slot (36).

6. A pulverizing device for recovering boiler slag according to claim 5, characterized in that: The collection box (4) is movably connected to a magnetic plate (5) inside, and a magnet is fixedly connected to the outside of the magnetic plate (5). The magnetic plate (5) is magnetically connected to the collection box (4) via the magnet.

7. A pulverizing device for recovering boiler slag according to claim 6, characterized in that: The (22) is a large-small-mouth structure, and the end of the (22) away from the (21) is larger than the end of the (22) close to the (21).

8. A pulverizing device for recovering boiler slag according to claim 7, characterized in that: The support (1) is a structure for spatially supporting the feeding mechanism (2) and the crushing and grinding mechanism (3); one side of the support (1) is used to support the crushing and grinding mechanism (3), and the other side of the support (1) is used to support the feeding mechanism (2).

9. A pulverizing device for recovering boiler slag according to claim 8, characterized in that: The extension shaft (74) comprises a spring and a spring rod, and the spring and the spring rod are glued together.

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